Mechanical Operations Maximum size reduction in a ball mill is done by the, __________ action. Compression Attrition Impact Cutting Compression Attrition Impact Cutting ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vacuum is applied in __________ zone, in case of a general type continuous rotary drum vacuum filter. Washing All of these Drying Filtering Washing All of these Drying Filtering ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger's number of a material indicates its Easier grindability Poor grindability None of these High power consumption in grinding Easier grindability Poor grindability None of these High power consumption in grinding ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Horsepower required for a roll crusher is directly proportional to its Reduction ratio Neither A nor B Both A & B Capacity Reduction ratio Neither A nor B Both A & B Capacity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cake resistance is Decreased with the time of filtration Important in the beginning of filtration Independent of pressure drop None of these Decreased with the time of filtration Important in the beginning of filtration Independent of pressure drop None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the selectivity index, if the grade of tailings & concentrate is the same? 0.5 1 ∞ 0.5 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
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